Home / 19,570.88-27,011.04-13,279.04

Finding the Fourth Proportional to 19,570.88, 27,011.04 and 13,279.04

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Solution

The fourth proportional to 19,570.88, 27,011.04 and 13,279.04 is: 18,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.88 : 27,011.04 = 13,279.04 : x
  2. Step 2: Convert to fraction form
    19,570.88/27,011.04 = 13,279.04/x
  3. Step 3: Cross multiply
    19,570.88x = 27,011.04 × 13,279.04
  4. Step 4: Simplify right side
    19,570.88x = 358,680,680.60
  5. Step 5: Solve for x
    x = 358,680,680.60/19,570.88
  6. Step 6: Final answer
    x = 18,327.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.